insensatamente
From LSJ
εἰς δὲ θεοὺς ἀσεβείας τε καὶ εὐσεβείας καὶ γονέας καὶ αὐτόχειρος φόνου μείζους ἔτι τοὺς μισθοὺς διηγεῖτο → and he had still greater requitals to tell of piety and impiety towards the gods and parents and of self-slaughter
Spanish > Greek
ἀβουλεί, ἀβούλως, ἀγνωμόνως, ἀλογί, ἀλογιστί, ἀναισθήτως, ἀποπλήκτως, ἀσόφως, ἀφραδέως, ἀφροντίστως, ἀφρόνως, δυσφρόνως, ἐκφρόνως, ἀπερισκέπτως